Gunman Opens Fire in Washington's Navy Yard

Police have locked down Washington, D.C.'s, Navy Yard precinct after a gunman opened fire Monday morning. WSJ reporter Devlin Barrett has the latest on the unfolding story.

This transcript has been automatically generated and may not be 100% accurate.

I ... when the morning began with the shooting at the Washington Navy art in Washington DC today ... and what happened was initial reports indicate that a gunman with a long time approached the building ... a very ... secure or fortified building and started shooting ... and then went inside the building ... setting off a series of ... confrontations and as well as an FBI manhunt for the individual in the building ... what were told it is that's ... number people were shot ... around the area of ten people ... were told this multiple SingTel these but we still don't know as as for speaking right now ... exactly what that final number will be ... and Swat teams are also searching for the individual ... who's believed to be still in the building ... and they're trying to contain him ... as as at the same time trying to ... rescue as many people as they can ... get them to safely get them to seek medical attention which hold at least two officers have been injured in this attack ... one a D C ... Metro police officer the other a federal officer ... us federal security officer ... now we're all getting in as much worse weekend on the injury seeks any injuries ... and whether they want